Heat oven to 400 degrees. Line a rimmed baking sheet with foil or parchment paper.

Turn the cauliflower upside down and gently cut out the bulk of the core, leaving triangle-shaped indention at the bottom of the cauliflower.

Add an inch of salt water to a large pot and cover the pot to steam the cauliflower until tender, but still firm (not mushy)m 7 to 10 minutes depending on the size and age of the cauliflower. Test with a slim sharp knife.

Once the cauliflower is done, remove it from the pot and place om paper towels to cool.

Meanwhile, in a small bowl mix together the butter, mayonnaise, parmesan cheese garlic ad hot sauce. Blot the cooled cauliflower with paper towels. Coat the outside of the cauliflower with the cheesy mixture, using your hands to coat the whole head, Place the cauliflower on the prepared baking sheet. Bake until the cauliflower is golden brown, about 15 minutes. Let cool a few minutes before serving. Serve with forks or as finger food.